EP0215385A1 - Method and device for joining plates by means of punch-fasteners - Google Patents

Method and device for joining plates by means of punch-fasteners Download PDF

Info

Publication number
EP0215385A1
EP0215385A1 EP86112241A EP86112241A EP0215385A1 EP 0215385 A1 EP0215385 A1 EP 0215385A1 EP 86112241 A EP86112241 A EP 86112241A EP 86112241 A EP86112241 A EP 86112241A EP 0215385 A1 EP0215385 A1 EP 0215385A1
Authority
EP
European Patent Office
Prior art keywords
punching
plate
die
plates
pressing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP86112241A
Other languages
German (de)
French (fr)
Other versions
EP0215385B1 (en
Inventor
Eugen Rapp
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RAPP, EUGEN
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AT86112241T priority Critical patent/ATE51778T1/en
Publication of EP0215385A1 publication Critical patent/EP0215385A1/en
Application granted granted Critical
Publication of EP0215385B1 publication Critical patent/EP0215385B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/03—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal otherwise than by folding
    • B21D39/035—Joining superposed plates by slitting
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/34—Means for forming clench-tongue [eg, for tieband]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49833—Punching, piercing or reaming part by surface of second part
    • Y10T29/49835—Punching, piercing or reaming part by surface of second part with shaping
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49908—Joining by deforming
    • Y10T29/49915—Overedge assembling of seated part
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49908—Joining by deforming
    • Y10T29/49936—Surface interlocking
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53478—Means to assemble or disassemble with magazine supply
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53709—Overedge assembling means

Definitions

  • the invention is based on a method and a device for carrying out this method for connecting superimposed thin plates by means of punching cams.
  • connection of sheets by punching cams has long been known (DE-PS 8 73 237).
  • the main problem with this connection technology is the precise material processing with corresponding repeatability of the connection quality. This technique is particularly complicated because a deep-drawing and punching process is combined with a subsequent upsetting or squeezing process, the tool relative movement between the punch and die being the same follow, but the material movement first occurs in this axis, but later occurs radially during the crushing process. It is particularly difficult to master this radial movement in terms of its repeatability.
  • the method according to the invention with the characterizing features of claim 1 and the device for carrying out the method according to the features of claim 2 has the advantage that in one and therefore easily controllable working stroke of the punching and pressing stamping the entire connection is made, namely punching, pressing and squeezing, and only squeezing the piece of plate that is required for the interlocking. Since the counterpressure required for the punching process is lower than for the squeezing process, the flexibility of the counterpressure surface can be controlled with very simple static means, so that the counterpressure surface yields only when the required shearing process has ended when punching; to then remain in a correspondingly shifted position for the squeezing process. These elastic means advantageously also serve as ejection means for the workpiece from the die. Mechanical or hydraulic springs can serve as elastic means.
  • the force of the elastic element can also be transmitted via a hydraulic column, so that a press device working with hydraulic means can be used, with spatial advantages in particular.
  • the plates to be connected can be metal sheets, but they can also consist partly of plastic.
  • This manufacturing tool includes the pressing device, which of course must be suitable for carrying out the inventive method, but can be designed in a wide variety of ways.
  • a punching and pressing die 1 which can be moved back and forth by the press device and a stationary die 2
  • two plates 4 and 5 for example metal sheets, are to be connected to one another.
  • these workpieces 4 and 5 can also be any bands or angles that are to be connected to a plate.
  • the stamping and pressing stamp which can be moved back and forth in accordance with the double arrow I has a prismatic forehead Surface with two end faces 6 inclined to the working direction I and one end face 7 running perpendicular to the working direction. Cutting edges 9 are formed between these end faces 6 and 7 and the flat sides 8 of the stamp 1 (FIG. 3).
  • the die 2 has a central bore 10 in which a pinch stamp 11 is arranged to be axially displaceable.
  • This crimping die 11 has at its upper end a cutting die 12, the cutting edges 13 of which cooperate with the cutting edges 9 of the punching and pressing die 1 and which are formed by edges between the upper end face 14 of the crimping die 11 and a transverse groove 15, the base 16 of which Counter pressure surface serves during the squeezing process.
  • the pinch stamp 11 has a collar 18 which is guided in an enlarged section 17 of the central bore 10 and which is acted upon by an elastic element 19 which is only symbolically indicated here and which is secured against rotation in the bores 10 and 17 by means not shown. As a result, the rotational position of the pinch stamp 11 is secured within the die 2.
  • the elastic element 19 is supported on the side facing away from the collar 18 on a base 20, which at the same time serves as a stroke limiter and thus a stop for the pinch stamp 11 by a pin 21 of the pinch stamp 11 after covering a certain stroke against the force of the elastic element 19 on. bumps this floor 20.
  • the base area is 16 the transverse groove 15 of the crimping die 11 is just flush with the base 22 of a die 23, which is provided in the die 2 corresponding to the end faces 6 and 7 of the punching and pressing die 1.
  • the cutting edge 26 formed between the contact surface 24 of the die 2 and the longitudinal walls 25 of this die 23 interacts with the cutting edges 9 of the punching and pressing die 1 assigned to it.
  • the width of the die 23 corresponds to the width of the transverse groove 15.
  • the plate part 28 is then laterally bordered by the boundary walls of the groove 15 and its base 16 and by the die 23.
  • the punching and pressing die 1 continues in its working direction without interruption, the squeezing punch 11 giving way against the elastic element 19 before the processed material of the plate 4 begins to flow. Only when the pin 21 abuts the bottom 20 and this creates an "infinite" resistance, does the upper plate part 27 begin to expand, its material flowing into the spaces that have been created above the upper end face 14 of the pinch stamp 11 by moving it. The cross-section of these extracted spaces corresponds to the Eig. 2 removable segment surfaces 30.
  • the working movement of the stamping and pressing die 1 is then continued slightly over the underside of the lower plate 5, so that some material flows from the upper plate part 27 into the transverse groove 15. In any case, however, as can be seen in FIG. 6, the direct connection between the plates 4 and 5 and the plate parts 27 and 28 is maintained by the webs 31 and 32 pressed into the die 23.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Punching Or Piercing (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Abstract

A method for joining stacked thin plates (metal sheets in particular) or plate sections by stamping dies, and an apparatus for performing the method, in which stacked plate portions are severed by stamping them along a longitudinal portion of their peripheries and pressed them out of the plane of the plate, and in which subsequently, by means of a counterpressure die element, the plate portion nearer the plates is enlarged on the cut sides by swaging, yet without the plate portion remote from the plates being enlarged. Further, during the stamping and pressing operation the counterpressure die element, or the swaging die, remains stationary inside the bottom die 2, but subsequently, during the coining operation that generates higher pressing forces, the yields counter to an elastic supporting force, whereupon the flowing material of the plate piece nearer the plates forms flange portions which grip the plate associated with it from behind.

Description

Stand der TechnikState of the art

Die Erfindung geht aus von einem Verfahren und einer Vorrichtung zum Durchführen dieses Verfahrens zum Verbinden aufeinanderliegender dünner Platten durch Stanznocken.The invention is based on a method and a device for carrying out this method for connecting superimposed thin plates by means of punching cams.

Das Verbinden von Blechen durch Stanznocken ist schon lange bekannt (DE-PS 8 73 237). Das Hauptproblem dieser Verbindungstechnik besteht in der präzisen Materialverarbeitung mit entsprechender Wiederholbarkeit der Verbindungsqualität. Diese Technik ist besonders deshalb kompliziert, weil hier ein Tiefzieh- und Stanzvorgang kombiniert wird mit einer anschließenden Stauch- oder Quetschbearbeitung, wobei zwar die Werkzeugrelativbewegung zwischen Stempel und Matritze achsgleich erfolgen, die Materialbewegung jedoch zuerst in dieser Achse, später aber bei der Quetschbearbeitung radial dazu erfolgt. Besonders schwierig ist es, diese Radialbewegung in ihrer Wiederholbarkeit zu beherrschen.The connection of sheets by punching cams has long been known (DE-PS 8 73 237). The main problem with this connection technology is the precise material processing with corresponding repeatability of the connection quality. This technique is particularly complicated because a deep-drawing and punching process is combined with a subsequent upsetting or squeezing process, the tool relative movement between the punch and die being the same follow, but the material movement first occurs in this axis, but later occurs radially during the crushing process. It is particularly difficult to master this radial movement in terms of its repeatability.

Bei einem bekannten Verfahren und einer Vorrichtung zur Durchführung dieses Verfahrens der gattungsgemäßen Art (DE-PS 23 38 460) wird die Matritze nach dem Stanz- und Drückvorgang soweit gegenüber der Gegendruckfläche, die hier an einem Abflachstempel vorgesehen ist, zurückgenommen, daß nur noch eines der beiden Plattenstücke innerhalb der Matritze ist, so daß beim Quetschvorgang nur das andere Plattenstück verbreitert werden kann. Dieses Verfahren hat den Nachteil, daß die für die Bearbeitung eingespannten Platten beim Rückverfahren der Matritze gelöst werden und dadurch die Gefahr besteht, daß die Platten nicht formschlüssig miteinander verbunden werden. Ein weiterer wesentlicher Nachteil besteht darin, daß die Vorrichtung verhältnismäßig kompliziert aufgebaut sein muß, um diesen Rückfahrvorgang der Matritze durchzuführen bei gleichzeitigem Stehenbleiben des Abflachstempels. Nicht zuletzt muß dann in einem weiteren Arbeitsgang das Werkstück aus der Matritze ausgeworfen werden.In a known method and a device for performing this method of the generic type (DE-PS 23 38 460), the die is withdrawn after the punching and pressing process so far compared to the counter pressure surface, which is provided here on a flattening stamp, that only one more of the two plate pieces is inside the die, so that only the other plate piece can be widened during the squeezing process. This method has the disadvantage that the plates clamped for processing are released when the die is moved back and there is therefore a risk that the plates will not be connected to one another in a form-fitting manner. Another major disadvantage is that the device has to be of relatively complicated construction in order to carry out this backward movement of the die while the flat die remains stationary. Last but not least, the workpiece must be ejected from the die in a further operation.

Vorteile der ErfindungAdvantages of the invention

Das erfindungsgemäße Verfahren mit den kennzeichnenden Merkmalen des Anspruches 1 und die Vorrichtung zur Durchführung des Verfahrens nach den Merkmalen des Anspruchs 2 hat demgegenüber den Vorteil, daß in einem und dadurch gut kontrollierbarem Arbeitshub des Stanz- und Drückstempels die gesamte Verbindung hergestellt wird, nämlich Stanzen, Drücken und Quetschen, und wobei nur das Plattenstück gequetscht wird, das für die Verhakung erforderlich ist. Da der für den Stanzvorgang erforderliche Gegendruck geringer ist als für den Quetschvorgang, läßt sich mit sehr einfachen statischen Mitteln die Nachgiebigkeit der Gegendruckfläche steuern, so daß erst wenn der erforderliche Schervorgang beim Stanzen beendet ist, die Gegendruckfläche nachgibt; um dann für den Quetschvorgang in einer entsprechend verschobenen Lage zu verharren. Vorteilhafterweise dienen diese elastischen Mittel gleichzeitig als Auswurfmittel des Werkstückes aus der Matritze. Als elastische Mittel können mechanische oder hydraulische Federn dienen.The method according to the invention with the characterizing features of claim 1 and the device for carrying out the method according to the features of claim 2 has the advantage that in one and therefore easily controllable working stroke of the punching and pressing stamping the entire connection is made, namely punching, pressing and squeezing, and only squeezing the piece of plate that is required for the interlocking. Since the counterpressure required for the punching process is lower than for the squeezing process, the flexibility of the counterpressure surface can be controlled with very simple static means, so that the counterpressure surface yields only when the required shearing process has ended when punching; to then remain in a correspondingly shifted position for the squeezing process. These elastic means advantageously also serve as ejection means for the workpiece from the die. Mechanical or hydraulic springs can serve as elastic means.

Die Kraft des elastischen Elements kann erfindungsgemäß auch über eine Hydrauliksäule übertragen werden, so daß eine mit hydraulischen Mitteln arbeitende Pressevorrichtung einsetzbar ist mit vor allem räumlichen Vorteilen.According to the invention, the force of the elastic element can also be transmitted via a hydraulic column, so that a press device working with hydraulic means can be used, with spatial advantages in particular.

Die zu verbindenden Platten können Bleche sein, sie können aber auch zum Teil aus Kunststoff bestehen.The plates to be connected can be metal sheets, but they can also consist partly of plastic.

Weitere Vorteile und vorteilhafte Ausgestaltungen der Erfindung sind der nachfolgenden Beschreibung, der Zeichnung und den Ansprüchen entnehmbar.Further advantages and advantageous embodiments of the invention can be found in the following description, the drawing and the claims.

Zeichnungdrawing

Ein Ausführungsbeispiel des Gegenstandes der Erfindung ist in der Zeichnung dargestellt und wird im folgenden näher beschrieben. Es zeigen:

  • Fig. 1 einen Schnitt durch das erfindungsgemäße Werkzeug;
  • Fig. 2 eine Ansicht des Gesenkes nach LinielI-IIin Fig. 1;
  • Fig. 3 einen Schnitt durch das Werkzeug nach Linie III-III in Fig. 1;
  • Fig. 4 eine Werkzeugstellung nach Beendigung des Stanzvorgangs;
  • Fig. 5 eine Werkzeugstellung nach Beendigung des Quetschvorgangs und
  • Fig. 6 einen Schnitt nach Linie VI-VI in Fig. 5 durch einen Teil des Werkzeugs und entsprechend der Schnittlage von Fig. 1.
An embodiment of the object of the invention is shown in the drawing and will be described in more detail below. Show it:
  • 1 shows a section through the tool according to the invention.
  • Figure 2 is a view of the LinielI-II die in Figure 1;
  • 3 shows a section through the tool according to line III-III in Fig. 1.
  • 4 shows a tool position after the punching process has ended;
  • Fig. 5 shows a tool position after the squeezing process and
  • 6 shows a section along line VI-VI in FIG. 5 through part of the tool and corresponding to the sectional position of FIG. 1.

Beschreibung des AusführungsbeispielsDescription of the embodiment

In den Fig. 1-6 ist nur das eigentliche Herstellungswerkzeug in verschiedenen Schnitten und Arbeitsstellungen dargestellt. Zu diesem Herstellungswerkzeug gehört die Preßvorrichtung, die natürlich zur Durchführung des erfinderischen Verfahrens geeignet sein muß, aber in unterschiedlichster Weise gestaltet sein kann.1-6, only the actual manufacturing tool is shown in different cuts and working positions. This manufacturing tool includes the pressing device, which of course must be suitable for carrying out the inventive method, but can be designed in a wide variety of ways.

Zwischen einem durch die Pressenvorrichtung hin und her bewegbaren Stanz- und Drückstempel 1 und einem ortsfesten Gesenk 2 sind zwei miteinander zu verbindende Platten 4 und 5 - beispielsweise Bleche - angeordnet. Natürlich kann es sich bei diesen Werkstücken 4 und 5 auch um irgendwelche Bänder oder Winkel handeln, die mit einer Platte zu verbinden sind.Between a punching and pressing die 1 which can be moved back and forth by the press device and a stationary die 2, two plates 4 and 5, for example metal sheets, are to be connected to one another. Of course, these workpieces 4 and 5 can also be any bands or angles that are to be connected to a plate.

Der entsprechend dem Doppelpfeil I hin und her bewegbare Stanz- und Drückstempel weist eine prismatische Stirnfläche auf mit zwei zur Arbeitsrichtung I schrägen Stirnflächen 6 und einer senkrecht zur Arbeitsrichtung verlaufenden Stirnfläche 7. Zwischen diesen Stirnflächen 6 und 7 und den Flachseiten8 des Stempels 1 sind Schneidkanten 9 gebildet (Fig. 3).The stamping and pressing stamp which can be moved back and forth in accordance with the double arrow I has a prismatic forehead Surface with two end faces 6 inclined to the working direction I and one end face 7 running perpendicular to the working direction. Cutting edges 9 are formed between these end faces 6 and 7 and the flat sides 8 of the stamp 1 (FIG. 3).

Das Gesenk 2 weist eine zentrale Bohrung 10 auf, in der ein Quetschstempel 11. axial verschiebbar angeordnet ist. Dieser Quetschstempel 11 weist an seinem oberen Ende ein Schneidgesenk 12 auf, deren Schneidkanten 13 mit den Schneidkanten 9 des Stanz- und Drückstempels 1 zusammenwirken und die durch Kanten gebildet werden zwischen der oberen Stirnseite 14 des Quetschstempels 11 und einer Quernut 15, deren Grundfläche 16 als Gegendruckfläche beim Quetschvorgang dient.The die 2 has a central bore 10 in which a pinch stamp 11 is arranged to be axially displaceable. This crimping die 11 has at its upper end a cutting die 12, the cutting edges 13 of which cooperate with the cutting edges 9 of the punching and pressing die 1 and which are formed by edges between the upper end face 14 of the crimping die 11 and a transverse groove 15, the base 16 of which Counter pressure surface serves during the squeezing process.

Der Quetschstempel 11 weist einen in einem erweiterten Abschnitt 17 der zentralen Bohrung 10 geführten Bund 18 auf, an dem ein hier nur symbolisch angedeutetes elastisches Element 19 angreift und der gegen Verdrehen in den Bohrungen 10 und 17 durch nicht dargestellte Mittel gesichert ist. Hierdurch wird die Drehlage des Quetschstempels 11 innerhalb des Gesenkes 2 gesichert. Das elastische Element 19 stützt sich auf der dem Bund 18 abgewandten Seite an einem Boden 20 ab, der gleichzeitig als Hubbegrenzung und damit Anschlag des Quetschstempels 11 dient, indem ein Zapfen 21 des Quetschstempels 11 nach Zurücklegung eines bestimmten Hubes entgegen der Kraft des elastischen Elements 19 auf. diesen Boden 20 stößt.The pinch stamp 11 has a collar 18 which is guided in an enlarged section 17 of the central bore 10 and which is acted upon by an elastic element 19 which is only symbolically indicated here and which is secured against rotation in the bores 10 and 17 by means not shown. As a result, the rotational position of the pinch stamp 11 is secured within the die 2. The elastic element 19 is supported on the side facing away from the collar 18 on a base 20, which at the same time serves as a stroke limiter and thus a stop for the pinch stamp 11 by a pin 21 of the pinch stamp 11 after covering a certain stroke against the force of the elastic element 19 on. bumps this floor 20.

Nach Zurücklegung dieses Hubes ist die Grundfläche 16 der Quernut 15 des Quetschstempels 11 gerade bündig mit der Grundfläche 22 einer Matritze 23, die im Gesenk 2 entsprechend den Stirnflächen 6 und 7 des Stanz- und Drückstempels 1 ausgebildet vorgesehen ist. Die zwischen der Auflagefläche 24 des Gesenkes 2 und den Längswänden 25 dieser Matritze 23 gebildete Schneidkante 26 wirkt mit den ihr zugeordneten Schneidkanten 9 des Stanz- und Drückstempels 1 zusammen. Die Breite der Matritze 23 entspricht, der Breite der Quernut 15.After this stroke has been completed, the base area is 16 the transverse groove 15 of the crimping die 11 is just flush with the base 22 of a die 23, which is provided in the die 2 corresponding to the end faces 6 and 7 of the punching and pressing die 1. The cutting edge 26 formed between the contact surface 24 of the die 2 and the longitudinal walls 25 of this die 23 interacts with the cutting edges 9 of the punching and pressing die 1 assigned to it. The width of the die 23 corresponds to the width of the transverse groove 15.

Die erfindungsgemäße Technik des Verbindens von dünnen Platten arbeitet. anhand dieses dargestellten Beispiels wie folgt:

  • Nach Legen der Platten 4 und 5 auf die Auflagefläche 24 (Fig. 1 und 3), wird der Stanz- und Drückstempel 1 für den Stanzvorgang in Richtung Gesenk 2 verschoben, wobei die entsprechenden Plattenteile 27 und 28, die zur Herstellung der Verbindung an ihren Längsumrißlinien ausgestanzt und dann gedrückt werden sollen, durch die Schneidkanten 9 des Stanz- und Drückstempels 1 in Zusammenwirkung mit den Schneidkanten 13 und 26 des Gesenks geschert und in die Quernut 15 bzw. die Matritze 23 gedrückt werden.
The technique of joining thin plates according to the invention works. using this example as follows:
  • After placing the plates 4 and 5 on the support surface 24 (Fig. 1 and 3), the punch and press stamp 1 for the punching process is moved in the direction of die 2, the corresponding plate parts 27 and 28, which are used to make the connection to their Longitudinal outline lines are to be punched out and then pressed, sheared through the cutting edges 9 of the punching and pressing die 1 in cooperation with the cutting edges 13 and 26 of the die and pressed into the transverse groove 15 or the die 23.

Der Plattenteil 28 ist danach seitlich durch die Begrenzungswände der Nut 15 und deren Grundfläche 16 sowie durch die Matritze 23 eingefaßt. Der Plattenteil 27 hingegen, der aus der Platte 4 herausgeschnitten bzw. gedrückt wurde, ist nach diesem ersten Arbeitsgang in der öffnung 29 der unteren Platte 5 verblieben, die durch das Herausstanzen bzw. Drücken des unteren Plattenteils 28 entstanden ist (Fig. 4).The plate part 28 is then laterally bordered by the boundary walls of the groove 15 and its base 16 and by the die 23. The plate part 27, on the other hand, which was cut or pressed out of the plate 4, remained after this first operation in the opening 29 of the lower plate 5, which was created by punching out or pressing the lower plate part 28 (FIG. 4).

Für den nun folgenden Quetscharbeitsgang fährt der Stanz- und Drückstempel 1 ohne Unterbrechung weiter in seiner Arbeitsrichtung, wobei der Quetschstempel 11 entgegen dem elastischen Element 19 nachgibt, bevor der bearbeitete Werkstoff der Platte 4 zu fließen beginnt. Erst wenn der Zapfen 21 an dem Boden 20 anliegt und dadurch ein "unendlicher" Widerstand entsteht, beginnt der obere Plattenteil 27 sich auszudehnen, wobei dessen Material in die Räume fließt, die oberhalb der oberen Stirnseite 14 des Quetschstempels 11 durch dessen Verschieben entstanden sind. Der Querschnitt dieser gewonnenen Räume entspricht den Eig. 2 entnehmbaren Segmentflächen 30. Die Arbeitsbewegung des Stanz- und Drückstempels 1 wird dann noch geringfügig über die Unterseite der unteren Platte 5 fortgesetzt, so daß auch etwas Material von dem oberen Plattenteil 27 in die Quernut 15 fließt. In jedem Fall jedoch bleibt,wie in Fig.. 6 zu erkennen, die direkte Verbindung zwischen den Platten 4 und 5 und den Plattenteilen 27 und 28 durch die in die Matritze 23 gedrückten Stege 31 und 32 erhalten.For the following squeezing operation, the punching and pressing die 1 continues in its working direction without interruption, the squeezing punch 11 giving way against the elastic element 19 before the processed material of the plate 4 begins to flow. Only when the pin 21 abuts the bottom 20 and this creates an "infinite" resistance, does the upper plate part 27 begin to expand, its material flowing into the spaces that have been created above the upper end face 14 of the pinch stamp 11 by moving it. The cross-section of these extracted spaces corresponds to the Eig. 2 removable segment surfaces 30. The working movement of the stamping and pressing die 1 is then continued slightly over the underside of the lower plate 5, so that some material flows from the upper plate part 27 into the transverse groove 15. In any case, however, as can be seen in FIG. 6, the direct connection between the plates 4 and 5 and the plate parts 27 and 28 is maintained by the webs 31 and 32 pressed into the die 23.

Sobald der Stanz- und Drückstempel 1 dann wieder ausgefahren wird, wird durch das elastische Element 19 und den damit betätigten Quetschstempel 11 das Werkstück 4, 5 ausgeworfen.As soon as the punching and pressing punch 1 is then extended again, the workpiece 4, 5 is ejected by the elastic element 19 and the squeezing punch 11 actuated thereby.

Alle in der Beschreibung, den nachfolgenden Ansprüchen und der Zeichnung dargestellten Merkmale können sowohl einzeln als auch in beliebiger Kombination miteinander erfindungswesentlich sein.All features shown in the description, the following claims and the drawing can be essential to the invention both individually and in any combination with one another.

Claims (8)

1. Verfahren zum Verbinden aufeinanderliegender dünner Platten (insbesondere Bleche) oder Plattenabschnitte durch Stanznocken, bei dem übereinanderliegende Plattenstücke entlang eines Teils ihrer Umrißlinien durch Stanzen getrennt und aus der Plattenebene herausgedrückt werden und bei dem danach mittels einer Gegendruckfläche das den Platten nähere Plattenstück durch Quetschen die Platten hintergreifend an den geschnittenen Seiten verbreitert wird, wobei das den Platten abgewandte Plattenstück in seiner radialen Verformung begrenzt wird, dadurch gekennzeichnet, daß die Gegendruckfläche für den Stanz- und Drückarbeitsgang aufgrund einer elastischen Stützkraft stehen bleibt, um danach bei dem höhere Preßkräfte erfordernden Quetschvorgang soweit nachzugeben, daß das fließende Material des den Platten näheren Plattenstücks die ihm zugeordnete Platte hintergreift.1. A method for connecting superimposed thin plates (in particular sheet metal) or plate sections by punching cams, in which the stacked plate pieces along a part of their outline are separated by punching and pressed out of the plate plane and in which the plate piece closer to the plates is then squeezed by means of a counterpressure surface Plates are widened behind the cut sides, the plate piece facing away from the plates being limited in its radial deformation, characterized in that the counterpressure surface for the punching and pressing operation remains due to an elastic supporting force, in order subsequently to the extent that the squeezing process, which requires higher pressing forces to give in that the flowing material of the plate piece closer to the plates engages behind the plate assigned to it. 2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Gegendruckfläche mindestens eine Vertiefung mit Schneidkanten für den Stanz- und Drückarbeitsgang aufweist und daß die elastische Stützkraft größer ist als die Stanz- und Drückkraft, aber kleiner ist als die Quetschkraft.2. The method according to claim 1, characterized in that the counter pressure surface has at least one recess with cutting edges for the punching and pressing operation and that the elastic support force is greater than the punching and pressing force, but is less than the squeezing force. 3. Vorrichtung zur Durchführung des Verfahrens nach Anspruch 1 oder 2 mit einem an einer Presse angeordneten Gesenk, mit einem in einer im Gesenk vorgesehenen öffnung vorhandenen Quetschstempel, die in Arbeitsrichtung relativ zueinander verschiebbar sind, und mit einem von der Presse hin und her angetriebenen Stanz- und Druckstempel, dadurch gekennzeichnet, daß der Quetschstempel (11) beim Stanz- und Drückarbeitshub des Stanz- und Drückstempels (1) gegen ein elastisches Element (19) verschiebbar ist und beim Quetscharbeitshub des Stanz-und Drückstempels (1) an einem Anschlag (20) anliegt.3. Device for carrying out the method according to claim 1 or 2 with a die arranged on a press, with a pinch stamp provided in an opening provided in the die, which can be displaced relative to one another in the working direction, and with a punch driven back and forth by the press - and pressure stamp, characterized in that the pinch stamp (11) during the punching and pressing stroke of the punching and pressing stamp (1) is displaceable against an elastic element (19) and during the pinching stroke of the punching and pressing stamp (1) at a stop ( 20) is present. 4. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß der Quetschstempel (11) in der den Platten (4, 5) zugewandten Stirnseite (14) eine Quernut (15) aufweist, die als Matritze beim Drücken und mit Schneidkanten (13) beim Stanzen dient, deren Breite der Plattenstückbreite entspricht und deren Tiefe geringer ist als die Dicke der ihr zugewandten Platte (5).4. The device according to claim 3, characterized in that the crimping die (11) in the plates (4, 5) facing the end face (14) has a transverse groove (15) as a die when pressing and with cutting edges (13) when punching serves, whose width corresponds to the plate piece width and whose depth is less than the thickness of the plate (5) facing it. 5. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß das gequetschte Material bis an die Wand der öff - nung (10) gleitet.5. The device according to claim 4, characterized in that the squeezed material slides up to the wall of the opening (10). 6. Vorrichtung nach einem der Ansprüche 3-5, dadurch gekennzeichnet, daß als elastisches Element (19) eine Feder dient.6. Device according to one of claims 3-5, characterized ge indicates that a spring is used as the elastic element (19). 7. Vorrichtung nach einem der Ansprüche 3-6, dadurch gekennzeichnet, daß als elastisches Element (19) hydraulische Mittel dienen.7. Device according to one of claims 3-6, characterized in that hydraulic means are used as the elastic element (19). 8. Vorrichtung nach einem der Ansprüche 3-7, dadurch gekennzeichnet, daß die Kraft des elastischen Elements (19) durch eine Hydrauliksäule übertragen wird.8. Device according to one of claims 3-7, characterized in that the force of the elastic element (19) is transmitted by a hydraulic column.
EP86112241A 1985-09-14 1986-09-04 Method and device for joining plates by means of punch-fasteners Expired - Lifetime EP0215385B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86112241T ATE51778T1 (en) 1985-09-14 1986-09-04 METHOD AND DEVICE FOR JOINING PANELS BY PUNCHING CAM.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853532899 DE3532899A1 (en) 1985-09-14 1985-09-14 METHOD AND DEVICE FOR CONNECTING PANELS BY PUNCHING CAMS
DE3532899 1985-09-14

Publications (2)

Publication Number Publication Date
EP0215385A1 true EP0215385A1 (en) 1987-03-25
EP0215385B1 EP0215385B1 (en) 1990-04-11

Family

ID=6281019

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86112241A Expired - Lifetime EP0215385B1 (en) 1985-09-14 1986-09-04 Method and device for joining plates by means of punch-fasteners

Country Status (7)

Country Link
US (1) US4760632A (en)
EP (1) EP0215385B1 (en)
JP (1) JPS6272441A (en)
AT (1) ATE51778T1 (en)
CA (1) CA1307169C (en)
DE (2) DE3532899A1 (en)
ES (1) ES2002748A6 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0546270A1 (en) * 1991-11-13 1993-06-16 ECKOLD GmbH & Co. KG Method of transforming brittle material
EP0879658A1 (en) * 1995-11-20 1998-11-25 Japan Metal Gasket Co., Ltd. Method for connecting laminated metal plates and press mold

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3710929A1 (en) * 1987-04-01 1988-10-13 Eugen Rapp METHOD AND DEVICE FOR CONNECTING LAYER THIN PLATES
DE3805688A1 (en) * 1988-02-24 1989-09-07 Eckold Vorrichtung DEVICE FOR IMPLEMENTING SHEET METAL PIECES
US5315743A (en) * 1990-05-18 1994-05-31 Tech-Line Engineering Co. Apparatus for forming a clinch joint
US4979285A (en) * 1990-07-20 1990-12-25 Martin Benson D Method of connecting a stack of laminations for electric motors
DE4111102A1 (en) * 1991-04-05 1992-10-08 Fraunhofer Ges Forschung Overlapping component joining mechanism - uses spring component forming anvil in die bottom and moving with punch
US5432989A (en) * 1992-10-27 1995-07-18 Archer Manufacturing Corporation Apparatus and method for joining sheet material
US5376879A (en) * 1992-11-03 1994-12-27 Qrp, Incorporated Method and apparatus for evaluating electrostatic discharge conditions
DE4331403A1 (en) * 1993-09-15 1995-03-16 Tox Pressotechnik Gmbh Method of joining thin plates and device for carrying out the method
DE19929375B4 (en) * 1999-06-25 2008-07-24 Tox Pressotechnik Gmbh & Co. Kg Method, apparatus and tool unit for clinching
US6493907B2 (en) 2001-01-12 2002-12-17 Honeywell International Inc. Wire terminal fastener and method
US7762034B2 (en) * 2008-09-26 2010-07-27 Chicago Metallic Corporation Rotary stitch for joining sheet metal stock
WO2010037410A1 (en) * 2008-10-03 2010-04-08 Abb Technology Ag Laminated connector
JP5901510B2 (en) * 2012-12-26 2016-04-13 京セラドキュメントソリューションズ株式会社 Metal material joining mold and mold release device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB483663A (en) * 1936-10-22 1938-04-22 Becker Emil Improvements in or relating to flush or counter-sunk riveting
US3919955A (en) * 1974-07-26 1975-11-18 Auto Craft Tool & Die Company Method and crimping tool for permanently joining together two sheet metal members
US3934327A (en) * 1974-08-16 1976-01-27 Hafner Otto P Method of interlocking overlapping sheet material
US4208776A (en) * 1977-09-15 1980-06-24 Schleicher Louis C Punch, die and anvil set
DE3210208A1 (en) * 1982-03-19 1983-09-29 Bayerische Motoren Werke AG, 8000 München Device for connecting at least two thin-walled components by means of stamped lugs
DE3210956A1 (en) * 1982-03-25 1983-09-29 Herbert 7250 Leonberg Hess Tool for the nonreleasable connection of ductile flat workpieces

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2671361A (en) * 1950-07-06 1954-03-09 Houdaille Hershey Corp Apparatus for securing together a plurality of sheets
US2811880A (en) * 1953-10-09 1957-11-05 Ivan A Williams Adjustable dies for uniting materials
US3599318A (en) * 1970-02-02 1971-08-17 Behlen Mfg Co Method of bonding sheets
US4312122A (en) * 1979-08-08 1982-01-26 Robertshaw Controls Company Apparatus and method for forming an electrical switch assembly
JPS56114536A (en) * 1980-02-13 1981-09-09 Toshiba Corp Joining device of sheet material
US4403409A (en) * 1980-05-06 1983-09-13 L & H Designs Limited Fastening apparatus and control systems therefor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB483663A (en) * 1936-10-22 1938-04-22 Becker Emil Improvements in or relating to flush or counter-sunk riveting
US3919955A (en) * 1974-07-26 1975-11-18 Auto Craft Tool & Die Company Method and crimping tool for permanently joining together two sheet metal members
US3934327A (en) * 1974-08-16 1976-01-27 Hafner Otto P Method of interlocking overlapping sheet material
US4208776A (en) * 1977-09-15 1980-06-24 Schleicher Louis C Punch, die and anvil set
DE3210208A1 (en) * 1982-03-19 1983-09-29 Bayerische Motoren Werke AG, 8000 München Device for connecting at least two thin-walled components by means of stamped lugs
DE3210956A1 (en) * 1982-03-25 1983-09-29 Herbert 7250 Leonberg Hess Tool for the nonreleasable connection of ductile flat workpieces

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0546270A1 (en) * 1991-11-13 1993-06-16 ECKOLD GmbH & Co. KG Method of transforming brittle material
EP0879658A1 (en) * 1995-11-20 1998-11-25 Japan Metal Gasket Co., Ltd. Method for connecting laminated metal plates and press mold
EP0879658A4 (en) * 1995-11-20 1998-11-25
US6115905A (en) * 1995-11-20 2000-09-12 Japan Metal Gasket Co., Ltd. Method for connecting laminated metal plates and press mold

Also Published As

Publication number Publication date
ES2002748A6 (en) 1988-10-01
DE3532899A1 (en) 1987-03-26
EP0215385B1 (en) 1990-04-11
DE3670223D1 (en) 1990-05-17
JPS6272441A (en) 1987-04-03
ATE51778T1 (en) 1990-04-15
US4760632A (en) 1988-08-02
CA1307169C (en) 1992-09-08

Similar Documents

Publication Publication Date Title
EP0284902B1 (en) Method and apparatus to join thin plates lying one on top of the other together
EP0215449B1 (en) Method and device for joining thin plates
DE3446978C2 (en)
EP0215385B1 (en) Method and device for joining plates by means of punch-fasteners
DE3713083A1 (en) DEVICE FOR JOINING SHEETS
DE2356217A1 (en) METHOD AND DEVICE FOR Burr-free CUTTING-OUT OF PARTS
DE3326580A1 (en) METHOD AND ARRANGEMENT FOR PRODUCING A NOZZLE PLATE FOR INK JET PRINTER
DE3937903C2 (en) Method for connecting at least one first workpiece part to a second workpiece part in a follow-up tool designed as a punching and / or forming tool, and such a follow-up tool
EP2794142B1 (en) Die for a punching device and punching method
DE19929377A1 (en) Method and device for connecting together two superposed plates has wedge-shaped work surface on ram to displace material differently in two cross directions at right angles to each other for stronger connection
EP0934132B1 (en) Diffusion welding process and device for joining sheet metal parts
DE3923182C2 (en)
EP0064263B1 (en) Apparatus for forming chamfered holes in sheet material
WO2001003881A1 (en) Method for placing a functional element; die, functional element; assembly element and die arrangement
DE4404659A1 (en) Method of producing of riveted joint between sheet metal components
DD231748A5 (en) PUNCHING TOOL
EP1604751B1 (en) Punching device and punch therefor
EP1377397B1 (en) Tool for riveted connection
DE2704246A1 (en) PRESS HEAD WITH SEVERAL STAMPS TO OPTIONAL STRIPPING
DE3516764C2 (en)
DE4339962A1 (en) Device and method for producing corrugated sheets with plane-parallel outer edge surfaces
DE3016168C2 (en) Complete composite cutting and bending tool
WO2001000348A1 (en) Method, device and tool unit for press joining
DE2852909A1 (en) Joining of two components with deformation - involves riveting punch fixed to push rod which moves in slide for cutting sheath
DE2713893A1 (en) Hand tool for joining sheets of material - has material from one sheet forced into hole in second sheet by pin in jaw of pliers

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH DE FR GB IT LI LU NL SE

17P Request for examination filed

Effective date: 19870525

17Q First examination report despatched

Effective date: 19880822

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: RAPP, EUGEN

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH DE FR GB IT LI LU NL SE

REF Corresponds to:

Ref document number: 51778

Country of ref document: AT

Date of ref document: 19900415

Kind code of ref document: T

REF Corresponds to:

Ref document number: 3670223

Country of ref document: DE

Date of ref document: 19900517

ET Fr: translation filed
ITF It: translation for a ep patent filed
GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19900930

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
ITTA It: last paid annual fee
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19930720

Year of fee payment: 8

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19930723

Year of fee payment: 8

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 19930730

Year of fee payment: 8

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 19930803

Year of fee payment: 8

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 19930917

Year of fee payment: 8

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 19930930

Year of fee payment: 8

Ref country code: AT

Payment date: 19930930

Year of fee payment: 8

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19931001

Year of fee payment: 8

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Effective date: 19940904

Ref country code: AT

Effective date: 19940904

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Effective date: 19940905

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Effective date: 19940930

Ref country code: CH

Effective date: 19940930

Ref country code: BE

Effective date: 19940930

EAL Se: european patent in force in sweden

Ref document number: 86112241.4

BERE Be: lapsed

Owner name: RAPP EUGEN

Effective date: 19940930

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Effective date: 19950401

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19940904

NLV4 Nl: lapsed or anulled due to non-payment of the annual fee
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Effective date: 19950531

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19950601

EUG Se: european patent has lapsed

Ref document number: 86112241.4

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 20050904